Team Member Written Test
2012 Southeast/Central Kentucky Mine Rescue Contest
June 19, 2012
Maysville, Kentucky
Name ______Company ______
Team Name ______Contest Position No. ______
Team Member No. ______
Circle the letter for your answer. Circle only one answer.
- A mine rescue and recovery operation simply consists of a team going into the mine to rescue survivors or put out a fire.
- true
- false
- Federal officials have the following function(s) in a mine rescue event:
- advise and observe
- supervise and direct
- consult
- all of the above
- none of the above
- The mine rescue team is under direct supervision of the team captain.
- true
- false
- All roads and paths leading to the mine should be secured and guarded by:
- company personnel
- police officers
- either of the above
- none of the above
- The mine manager or superintendent should establish the command center and oversee all aspects of the rescue and recovery operation.
- true
- false
- One of the surface operation duties of the mine clerk is to examine each person entering the mine for matches and smoking materials.
- true
- false
- Which one of the following is a false statement:
- Portable gas detectors accurately detect oxygen deficiency, carbon monoxide, methane, and hydrogen sulfide.
- Chemical analysis is a more accurate method for detection of other gases.
- Air samples can be collected in evacuated bottles.
- Before March 9, 1978, electrical circuit gas detectors did not have to be approved.
- Air samples taken from behind sealed areas of the mine are analyzed to determine when it’s safe to begin rescue work.
- true
- false
- Which one of the following best describes a gas:
- has a definite shape and volume
- has a definite volume but changes shape
- has neither shape or volume
- none of the above
- Which one of the following does not affect the rate of diffusion of a gas:
- air currents in the mine
- turbulence of the air
- temperature
- atmospheric pressure
- flammability range
- Specific gravity and relative weight mean the same thing.
- true
- false
- One of the gases below is not soluble in water. Which one?
- sulfur dioxide
- radon
- acetylene
- hydrogen
- The Threshold Limit Value (TLV) of a gas is typically expressed in:
- percent
- parts per million
- parts per billion
- ph (protons of hydrogen)
- Asphyxiating gases cause suffocation. They do this by displacing nitrogen in the air.
- true
- false
- The gases present in a mine following a disaster will vary according to:
- the type of mine
- the disaster situation
- the type of equipment
- all of the above
- a and b above
- Oxygen is an explosive gas.
- true
- false
- Downcast is an intake ventilation shaft and upcast is an exhaust ventilation shaft.
- true
- false
- When it comes time to fixing the ventilation, the command center will be counting on you to build controls where and how you are instructed.
- true
- false
- The natural ventilation pressure can only be supplied by an energy source.
- true
- false
- Which of the following describes a bulkhead:
- concrete blocks or other incombustible material
- sealed tightly against the back, floor, and sides
- a stopping
- all of the above
- a and b above
- The smoke tube is used mainly to determine what direction very slow moving air is moving but not the velocity.
- true
- false
- Which of the following is an incorrect statement:
- It is best to enter the mine by way of the safest intake airway
- Check the cage to make sure it’s operating properly
- Test an automatic elevator by running it down and up at least once.
- All of the above are correct
- A fresh air base is usually established at the point where conditions no longer permit barefaced exploration.
- true
- false
- There should be a communication link between the team and the fresh air base.
- true
- false
- Logging the times that all personnel enter and leave the fresh air base is the responsibility of:
- not required by anyone
- fresh air base coordinator
- mine clerk
- mine superintendent
- Which of the following is an example of a class D combustible metal:
- potassium
- aluminum
- zinc oxide
- none of the above
- Choose the item below to best indicate why a mine fire would be sealed rather than fought directly.
- insufficient materials to fight directly
- buildup of explosive gases
- location of the fire
- all of the above
- a and b above
- When survivors are located, the location, time, and date should be marked on the team’s map and marked on the side in the passageway where they were found.
- true
- false
- A second priority triage condition is:
- inhalation of poisonous gas
- moderate heat exhaustion
- third degree burns involving less than 2% of the body
- none of the above
- A consideration when re-ventilating after an explosion is the percent of oxygen present.
- true
- false